package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.Result;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;

/**
 * 套餐管理
 */
@RestController
@RequestMapping("/setmeal")
@Slf4j
public class SeatmealController {

    @Autowired
    private SetmealService setmealService;

    @Autowired
    private SetmealDishService setmealDishService;

    @Autowired
    private CategoryService categoryService;

    /**
     * 套餐分页查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public Result<Page> page(int page ,int pageSize , String name){

        //创建分页对象
        Page<Setmeal> pageInfo = new Page<>(page,pageSize);
        Page<SetmealDto> dtoPage = new Page<>();

        //创建条件构造器
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        //分页模糊查询
        queryWrapper.like(name != null,Setmeal::getName,name);
        //根据修改时间降序排序
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageInfo,queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo,dtoPage,"records");
        List<Setmeal> records = pageInfo.getRecords();

        List<SetmealDto> list = records.stream().map((item) ->{
            SetmealDto setmealDto = new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(item,setmealDto);
            //分类id
            Long categoryId = item.getCategoryId();
            //根据分类id查询分类对象
            Category category = categoryService.getById(categoryId);
            if (category != null){
                //分类名称
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;

        }).collect(Collectors.toList());

        dtoPage.setRecords(list);
        return Result.success(dtoPage);

    }

    /**
     * 套餐添加
     * @param setmealDto
     * @return
     */
    @PostMapping
    public Result<String> save(@RequestBody SetmealDto setmealDto){

        log.info("套餐信息 : {}",setmealDto);

        setmealService.saveWithDish(setmealDto);

        return Result.success("添加成功");

    }

    /**
     * 删除套餐数据
     * @param ids
     * @return
     */
    @DeleteMapping
    public Result<String> delete(@RequestParam List<Long> ids){

        setmealService.removeWithDish(ids);

        return Result.success("删除套餐数据成功");
    }

    /**
     * 根据条件查询套餐数据
     * @param setmeal
     * @return
     */
    @GetMapping("/list")
    public Result<List<Setmeal>> list(Setmeal setmeal){
        //条件构造器
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        //设置条件
        queryWrapper.eq(setmeal.getCategoryId() != null,Setmeal::getCategoryId,setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus() != null,Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);
        //根据条件查询
        List<Setmeal> list = setmealService.list(queryWrapper);
        //返回查询到的数据
        return Result.success(list);

    }


    @PostMapping("/status/{status}")
    public Result<String> update(@PathVariable int status , @RequestParam List<Long> ids){
        log.info("status + {}",status);
        log.info("ids + {}" ,ids);

        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.in(Setmeal::getId,ids);
        List<Setmeal> setmeals = setmealService.list(queryWrapper);
       setmeals = setmeals .stream().map(setmeal -> {
            setmeal.setStatus(status);

            return setmeal;
        }).collect(Collectors.toList());

       setmealService.updateBatchById(setmeals);

        return Result.success("修改成功");

    }

    @GetMapping("/{id}")
    public Result<SetmealDto> getOne(@PathVariable Long id){

        SetmealDto setmealDto = setmealService.getByIdWithDish(id);
        return Result.success(setmealDto);
    }

    @PutMapping
    public Result<String> update(@RequestBody SetmealDto setmealDto){

        setmealService.updateWithDish(setmealDto);
        return Result.success("修改成功");

    }
}
